Preliminary research in healthy men suggests that the narcolepsy drug modafinil, increasingly being used to enhance cognitive abilities, affects the activity of dopamine in the brain in a way that may create the potential ...

Awakening from anesthesia is often associated with an initial phase of delirious struggle before the full restoration of awareness and orientation to one's surroundings. Scientists now know why this may occur: primitive consciousness ...

(Medical Xpress) -- Researchers funded by the Medical Research Council (MRC) at the University of Cambridge have identified a brain abnormality which is found in drug-dependent individuals as well as their siblings who have ...

(PhysOrg.com) -- Stimulant medications used to treat Attention-Deficit/Hyperactivity Disorder, or ADHD, are often assumed to improve memory and make a person smarter, but experts have found that is not the case. Researchers ...

Parkinson's disease symptoms begin subtly and worsen as damage to certain brain cells continues. But an electrical stimulation device implanted deep in the brain and programmed remotely, along with medications, may provide ...

In a study to determine the durability and long-term effects of transcranial magnetic stimulation (TMS), psychiatric researchers at Rush University Medical Center have found the non-invasive, non-drug therapy to be an effective, ...

(HealthDay)—Stimulant medications, such as those used to treat attention-deficit/hyperactivity disorder (ADHD), may raise the risk for psychotic side effects among young patients who have a parent with a history of serious ...

The use of the synthetic stimulants collectively known as "bath salts" have gained popularity among recreational drug users over the last five years, largely because they were readily available and unrestricted via the Internet ...

(Medical Xpress)—After a promising clinical trial of focused ultrasound as a potential treatment for essential tremor, the University of Virginia Health System is launching a new study to investigate the scalpel-free technology's ...